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Audition CS6 Essential Training
Illustration by John Hersey

Using the Spectral Frequency Display


From:

Audition CS6 Essential Training

with Garrick Chow
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  1. 1m 7s
    1. What is Audition?
      1m 7s
  2. 1m 55s
    1. Welcome
      54s
    2. Using the exercise files
      1m 1s
  3. 21m 6s
    1. Understanding the Audition interface
      8m 49s
    2. Setting up input and output
      4m 7s
    3. Setting essential preferences
      8m 10s
  4. 25m 3s
    1. Importing audio files
      6m 39s
    2. Extracting audio from a CD
      4m 6s
    3. Importing video files
      2m 21s
    4. Recording audio
      4m 50s
    5. Creating a multitrack session
      7m 7s
  5. 8m 8s
    1. Understanding frequency
      1m 50s
    2. Understanding amplitude
      1m 40s
    3. Understanding sample rate
      2m 34s
    4. Understanding bit depth
      2m 4s
  6. 37m 59s
    1. Understanding the Waveform Editor interface
      6m 2s
    2. Making selections
      6m 5s
    3. Adjusting the clip amplitude
      2m 49s
    4. Fading clips
      4m 5s
    5. Normalizing
      5m 17s
    6. Copying, cutting, and pasting
      7m 40s
    7. Undoing, redoing, and using the History panel
      4m 5s
    8. Generating silence
      1m 56s
  7. 24m 1s
    1. Using the Spectral Frequency Display
      2m 53s
    2. Using the selection tools
      7m 18s
    3. Using the Spot Healing Brush
      6m 34s
    4. Removing background noises
      7m 16s
  8. 46m 31s
    1. Understanding destructive vs. nondestructive effects
      12m 35s
    2. Applying compression
      9m 20s
    3. Understanding reverb vs. delay
      4m 44s
    4. Working with filters and EQ effects
      6m 46s
    5. Using special effects
      4m 26s
    6. Isolating vocals in a stereo track
      4m 27s
    7. Working with time and pitch effects
      4m 13s
  9. 1h 18m
    1. Creating a multitrack session
      6m 1s
    2. Recording and importing audio
      9m 42s
    3. Understanding the multitrack interface
      5m 20s
    4. Understanding the Mixer panel
      6m 13s
    5. Editing clips in Multitrack View
      9m 49s
    6. Grouping clips together
      2m 43s
    7. Creating bus groups
      7m 42s
    8. Routing and working with sends
      4m 7s
    9. Using automation
      12m 25s
    10. Pre-rendering tracks
      2m 19s
    11. Exporting the mix
      4m 13s
    12. Exporting the session
      3m 22s
    13. Burning the mix to a CD
      4m 45s
  10. 25m 17s
    1. Working with audio from video
      6m 23s
    2. Importing a sequence from Premiere Pro
      3m 59s
    3. Adding a soundtrack to a video
      3m 45s
    4. Exporting a session back to Premiere Pro
      3m 32s
    5. Using Automatic Speech Alignment
      7m 38s
  11. 9m 46s
    1. Understanding the interface
      6m 17s
    2. Using pan envelopes
      2m 44s
    3. Exporting a multichannel mix
      45s
  12. 52s
    1. Next steps
      52s

Video: Using the Spectral Frequency Display

In this chapter, we're going to look at some of the tools in workflows for cleaning up and repairing audio. And to me, this is a spot where Audition really shines. It has some incredible tools for fixing several common problems that might crop up from time to time. You can remove unwanted sounds, lower background noises, and quickly perform all kinds of other repair work to your files. The majority of this work is going to be done in the Spectral Frequency Display. Up until now, we've been working primarily here in the Waveform Editor. We've seen that to view the Spectral Frequency Display, you can just click its button up here, and that splits your screen showing the waveform at the top and the Spectral Frequencies at the bottom.

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Audition CS6 Essential Training
4h 40m Beginner May 06, 2012

Viewers: in countries Watching now:

Audition CS6 Essential Training demonstrates all of the major features of Adobe Audition and prepares sound editors to start enhancing and correcting audio—whether it's music, dialogue, or other sound effects. Author and musician Garrick Chow begins by covering how to import, record, and manage media files, from extracting audio and importing video, to creating a new multitrack session from scratch. The course then dives deep into editing, repairing, and cleaning up audio files, using the Waveform and Multitrack Editors, and the Spectral Frequency Display. It also covers how to use built-in effects, how to mix both stereo and surround audio tracks, and how to work with video projects from Premiere Pro.

Topics include:
  • Setting up the interface
  • Setting up inputs and outputs
  • Importing audio and video
  • Understanding audio terminology, such as frequency and amplitude
  • Adjusting clips in the Waveform Editor
  • Cleaning and repairing audio
  • Applying effects
  • Working with tracks in the Multitrack Editor and Mixer panel
  • Editing the soundtrack of video
  • Performing surround mixing
Subjects:
Audio + Music DAWs Mixing Video Audio for Video Music Editing Post Production
Software:
Audition
Author:
Garrick Chow

Using the Spectral Frequency Display

In this chapter, we're going to look at some of the tools in workflows for cleaning up and repairing audio. And to me, this is a spot where Audition really shines. It has some incredible tools for fixing several common problems that might crop up from time to time. You can remove unwanted sounds, lower background noises, and quickly perform all kinds of other repair work to your files. The majority of this work is going to be done in the Spectral Frequency Display. Up until now, we've been working primarily here in the Waveform Editor. We've seen that to view the Spectral Frequency Display, you can just click its button up here, and that splits your screen showing the waveform at the top and the Spectral Frequencies at the bottom.

Using these two displays in conjunction can help you identify and isolate certain sounds. You can adjust the size of each pane by dragging the divider up and down. If you're working primarily with the Spectral Display, you might want to increase its size like so. And again, while the Waveform Editor shows you amplitude, the Spectral Display shows you the frequencies for that recording. And the brighter the area of the display, the louder that particular frequency is. The darker the spots, the quieter. Now, the lower frequencies are at the bottom of the scale and the higher ones are at the top. I'm just going to expand this all the way up so we're seeing just the Spectral Frequency Display. I'm just going to zoom in a little bit more, here we go.

Now the human range of hearing is between about 20 Hertz and 20 Kilohertz, so that's approximately the range that we see here in the Spectral Display. Although because I'm using a slightly smaller monitor resolution, you can't see quite the scale here on the right-hand side, but basically, if you can see it in the Spectral Display, you should be able to hear the sound and vice-versa. Now this file is just of a male voice speaking. Let me play a little bit. (male speaker: Hi, I'm George Maestri, and welcome to Character Rigging in Maya.) So you can see the brightest portions are along the bottom of the frequency range, right around the 500 Hertz range and below, but there are frequencies in the human voice that stretch all the way into the highest frequency ranges here, but they're just not as prominent as the lower frequencies.

Let's switch over to a music file. Here you can see the Spectral Field is much more filled up, because instead of a single voice, we have a bunch of instruments and singing going on. If I zoom in at the beginning here, you can tell just by looking at this display that there's a rhythmic pattern going on. So we can see some very sharp beats are going on here, and this bright spot--maybe about 7 seconds in-- indicates that another sound comes in, disappears momentarily--or at least drops out a little bit momentarily--and then the sound increases again. I'll play a few seconds here so you can listen and watch.

(audio playing) So you can see here, this is where that organ starts to swell in, followed by the guitar, which just plays a few notes and then pauses, and then they come in again over here. As you get used to working with the Spectral Display, you'll be able to pick out individual sounds fairly easily, at least some of the time.

And being able to see the sounds makes it so much easier to fix problems, and we'll start looking at how to do that in the next movie.

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